package org.yihang.common.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilterTomcat8 implements Filter {

	private String charset = "UTF-8";

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		String charset = filterConfig.getInitParameter("charset");
		if (charset != null) {
			this.charset = charset;
		}
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		request.setCharacterEncoding(charset);
		chain.doFilter(request, response);
	}

	@Override
	public void destroy() {
	}

}